#643184#643184

#643184 is a dark, vivid violet. Relative luminance 0.066; OKLCH L 42.0% C 0.138 H 310.1°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#643184
RGB	rgb(100, 49, 132)
HSL	hsl(277, 46%, 35%)
HSV	hsv(277, 63%, 52%)
CMYK	cmyk(24.2%, 62.9%, 0%, 48.2%)
CIE-LAB	lab(30.81, 38.27, -37.60)
CIE-LCH	lch(30.81, 53.65, 315.51°)
OKLab	oklab(42% 0.0891 -0.1059)
OKLCH	oklch(42% 0.138 310.1)
XYZ	xyz(10.5179, 6.5721, 22.5398)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643184 #518431

analogous

#3A3184 #643184 #84317A

triadic

#643184 #846431 #318464

tetradic

#643184 #843A31 #518431 #317A84

square

#643184 #843A31 #518431 #317A84

split-complementary

#643184 #7A8431 #31843A

monochromatic

#20102B #422057 #643184 #8642B1 #A368C7

Accessibility & contrast

On white

9.07

#643184 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#643184 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643184

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643184	#FFFFFF	#000000	##FFFFFF
##643184	1.00	9.07	2.31	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4687

Deuteranopia (green-blind)

#274982

Tritanopia (blue-blind)

#604156

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643184;
/* rgb */ color: rgb(100, 49, 132);
/* oklch */ color: oklch(42.0% 0.138 310.1);

Tailwind

colors: {
  custom: {
    50: '#936ca8',
    500: '#643184',
    950: '#000000',
  },
}

SCSS

$custom: #643184;
$custom-light: #936ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#643184",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 132
  },
  "hsl": {
    "h": 276.867,
    "s": 45.856,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41999,
    "c": 0.1384,
    "h": 310.1
  },
  "luminance": 0.06572
}

Semantic roles & 50–950 ramp

primary

#643184

secondary

#80AE62

accent

#D65285

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #643184

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →